<template>
  <div class="login_container">
    <div class="login_box">
      <!--头像区-->
      <div class="avatar_box">
        <img src="../assets/cat.jpg">
      </div>
      <!--表单区-->
      <el-form class="login_form"
               :model="loginForm"
               :rules="rules"
               ref="loginFormRef">
        <el-form-item prop="username">
          <el-input prefix-icon='iconfont icon-yonghu'
                    v-model='loginForm.username'></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon='iconfont icon-mima'
                    type='password'
                    v-model='loginForm.password'
                    :show-password='true'
                    @keyup.enter.native="login">
          </el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type='primary'
                     @click="login">登录</el-button>
          <el-button type='info'
                     @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        }]
      }
    }
  },
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) {
          return
        }
        const {
          data
        } = await this.$http.post('/Login/LoginAndMenu/GetToken', this.loginForm)
        if (!data.Success) {
          this.$message.error('登录失败')
        } else {
          this.$message.success('登录成功')
        }
        // 1.保存token到sessionStorage
        window.sessionStorage.setItem('token', data.Token)
        // 2. 保存用户的名称到sessionStorage
        window.sessionStorage.setItem('loginUserName', this.loginForm.username)
        // 2.1 顺便保存到vuex中
        this.$store.commit('generalLoginMsg', this.loginForm.username)
        // window.sessionStorage.setItem("token", result.data.Token);
        // 2.跳转到主界面
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.login_box > .avatar_box {
  height: 130px;
  width: 130px;
  border: solid 1px #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}

.login_box > .avatar_box > img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}

.btns {
  display: flex;
  justify-content: flex-end;
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  /* Firefox */
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  /* Safari */
}
</style>
